FR2427234A1 - Unite de freinage assiste pour vehicules automobiles - Google Patents
Unite de freinage assiste pour vehicules automobilesInfo
- Publication number
- FR2427234A1 FR2427234A1 FR7913562A FR7913562A FR2427234A1 FR 2427234 A1 FR2427234 A1 FR 2427234A1 FR 7913562 A FR7913562 A FR 7913562A FR 7913562 A FR7913562 A FR 7913562A FR 2427234 A1 FR2427234 A1 FR 2427234A1
- Authority
- FR
- France
- Prior art keywords
- piston
- motor vehicles
- assisted braking
- braking unit
- amplifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/143—Master cylinder mechanically coupled with booster
- B60T13/144—Pilot valve provided inside booster piston
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
L'invention concerne une unité de freinage assisté pour véhicules automobiles. Cette unité comprend une soupape de frein permettant le dosage de fluide d'une source d'énergie extérieure 14 vers une chambre d'amplification 12. Ce fluide agit sur un dispositif de pistons amplificateurs comprenant un premier et un second piston d'amplification 4, 5. Ce dernier est maintenu en position de fonctionnement par la pression dans une chambre 22 et devient inactif en cas de défaillance de la source. Dans ce cas la force sur la pédale de frein est transmise directement par le piston 4 et un piston intermédiaire 15 au piston du maître-cylindre. L'invention s'applique aux systèmes de freinage assisté hydrauliques pour véhicules automobiles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782824458 DE2824458A1 (de) | 1978-06-03 | 1978-06-03 | Bremsgeraet fuer kraftfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2427234A1 true FR2427234A1 (fr) | 1979-12-28 |
FR2427234B1 FR2427234B1 (fr) | 1984-02-24 |
Family
ID=6040976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7913562A Granted FR2427234A1 (fr) | 1978-06-03 | 1979-05-29 | Unite de freinage assiste pour vehicules automobiles |
Country Status (4)
Country | Link |
---|---|
US (1) | US4263784A (fr) |
DE (1) | DE2824458A1 (fr) |
FR (1) | FR2427234A1 (fr) |
GB (1) | GB2022740B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3019568A1 (de) * | 1980-05-22 | 1981-11-26 | Alfred Teves Gmbh, 6000 Frankfurt | Bremsgeraet |
DE3040602A1 (de) * | 1980-10-29 | 1982-05-27 | Alfred Teves Gmbh, 6000 Frankfurt | Bremsgeraet fuer kraftfahrzeuge |
DE3045814A1 (de) * | 1980-12-05 | 1982-07-08 | Alfred Teves Gmbh, 6000 Frankfurt | Zweikreis-hauptbremszylinder |
JPS60199757A (ja) * | 1984-03-22 | 1985-10-09 | Aisin Seiki Co Ltd | 車輌の液圧ブレ−キブ−スタ |
DE3444829A1 (de) * | 1984-12-08 | 1986-06-12 | Robert Bosch Gmbh, 7000 Stuttgart | Bremskraftverstaerker |
CN110171407A (zh) * | 2019-07-01 | 2019-08-27 | 广州中博制动系统有限公司 | 一种带预充功能的液压助力器总成装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327479A (en) * | 1965-05-17 | 1967-06-27 | Gen Motors Corp | Low travel hydraulic booster with integral reservoir |
FR2260478A1 (fr) * | 1974-02-13 | 1975-09-05 | Girling Ltd | |
DE2519836A1 (de) * | 1975-05-03 | 1976-11-11 | Teves Gmbh Alfred | Bremsgeraet mit hauptzylinder und hilfskraftverstaerkung |
FR2347242A1 (fr) * | 1976-04-10 | 1977-11-04 | Teves Gmbh Alfred | Dispositif de frein a transmission hydraulique |
FR2398647A1 (fr) * | 1977-07-30 | 1979-02-23 | Teves Gmbh Alfred | Maitre-cylindre pour systeme de freinage hydraulique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2945352A (en) * | 1957-07-03 | 1960-07-19 | Kelsey Hayes Co | Fluid pressure booster system |
US3334548A (en) * | 1963-04-26 | 1967-08-08 | Gen Motors Corp | Vehicle brake system |
US3298177A (en) * | 1964-07-08 | 1967-01-17 | Gen Motors Corp | Hydraulic power brake booster having excess force dampening means |
GB1445355A (en) * | 1973-12-22 | 1976-08-11 | Girling Ltd | Master cylinders for breaking systems |
DE2453573C2 (de) * | 1974-11-12 | 1983-11-17 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulische Bremsbetätigungsvorrichtung mit Hilfskraftverstärkung |
DE2461295A1 (de) * | 1974-12-23 | 1976-07-01 | Teves Gmbh Alfred | Bremsgeraet fuer kraftfahrzeuge |
US4181064A (en) * | 1978-04-05 | 1980-01-01 | General Motors Corporation | Hydraulic brake booster |
-
1978
- 1978-06-03 DE DE19782824458 patent/DE2824458A1/de active Granted
-
1979
- 1979-05-16 US US06/039,622 patent/US4263784A/en not_active Expired - Lifetime
- 1979-05-29 FR FR7913562A patent/FR2427234A1/fr active Granted
- 1979-05-31 GB GB7919069A patent/GB2022740B/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327479A (en) * | 1965-05-17 | 1967-06-27 | Gen Motors Corp | Low travel hydraulic booster with integral reservoir |
FR2260478A1 (fr) * | 1974-02-13 | 1975-09-05 | Girling Ltd | |
DE2519836A1 (de) * | 1975-05-03 | 1976-11-11 | Teves Gmbh Alfred | Bremsgeraet mit hauptzylinder und hilfskraftverstaerkung |
FR2347242A1 (fr) * | 1976-04-10 | 1977-11-04 | Teves Gmbh Alfred | Dispositif de frein a transmission hydraulique |
FR2398647A1 (fr) * | 1977-07-30 | 1979-02-23 | Teves Gmbh Alfred | Maitre-cylindre pour systeme de freinage hydraulique |
Also Published As
Publication number | Publication date |
---|---|
GB2022740B (en) | 1982-06-09 |
DE2824458A1 (de) | 1979-12-06 |
DE2824458C2 (fr) | 1990-06-21 |
US4263784A (en) | 1981-04-28 |
GB2022740A (en) | 1979-12-19 |
FR2427234B1 (fr) | 1984-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |